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Octg Api 5ct Casing Pipe - China

price: contact company for price

Product Name:

API 5CT Casing Pipe

Product Keyword:

Steel Pipe, Oil & Gas Pipe, Petroleum Pipe, API Pipe, Casing Pipe, Steel Tube

Brief Description:

Outside Diameter: 5-1/2” to 20” Steel Grade: J55, K55, N80, L80, P110 End-Finish: PE, STC, LTC, BTC Length Range: R1/R2/R3 Manufacture Process: Seamless or Electric-Welded (Electric-Resistance or Electric-Induction Welded)

Product Details:

Standard: API Specification 5CT, Ninth Edition, July 2011

Outside Diameter: 5-1/2”-20” (114.30-508.00mm)

Steel Grade: J55, K55, N80, L80, P110

Range Length: R1 (4.88-7.62metres), R2 (7.72-10.36metres), R3 (10.36-14.63metres)

Manufacture Process: Seamless or Electric-Welded (Electric-Resistance or Electric-Induction Welded)

Type of Threading: STC (Short Round Thread), LTC (Long Round Thread), BTC (Buttress Thread), or PE (Plain End, unthreaded).

Casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells, or wellbore. It is inserted into a well bore and cemented in place to protect both subsurface formations and the wellbore from collapsing and to allow drilling fluid to circulate and extraction to take place. The following different types of casing are used in the extraction process:

Surface casing

- Protects the well from contamination in shallow water and gas layers.

- Supports the wellhead equipment and sustains the weight of the other layers of casing.

Intermediate casing

- Isolates different layers of pressure to facilitate normal circulation of drilling fluid and protect the production casing.

- Intermediate casing facilitates the installation of blow-out preventers, anti-leakage devices and tailpipes in the well.

Production casing (oil string)

- It is the conduit through which oil and gas pass from a below surface reservoir.

- It protects the well and separates fluids into various layers.

For the manufacture of casing, green pipes are threaded on each end at first. The threading is then inspected and, if necessary, rethreaded to ensure that the thread accurately connects to the coupling. The casing are strengthened by surface treatment and are subject to various inspections, including drifting and hydrostatic tests before they are coated and packaged into casing.


Company Contact:


  • Phone: 8651083395700

  • Address: Rm 5-1119, Zhongwei Int'l Mansion, Huishan Distric, Wuxi City, China

  • Email: Email


Published date: February 27, 2013 -

  • Business Description: Wuxi Petrotube Industries Co., Ltd. is specialized in steel tube and

    pipe business, with professional staff and sufficient expertise in steel

    pipe technology and quality guarantee, we have been successfully

    developed business worldwide.

    As an integrated manufacturer and distributor of steel tube & pipe products, we are committed to supply quality seamless and welded pipes and OCTG products to customers in domestic and abroad, mainly in oil and gas industry. We have contracted a couple of excellent factories including Wuxi SP Steel Tube Manufacturing Co., Ltd., Wuxi Runfeng Steel Tube Co., Ltd., Wuxi Yulong Steel Pipe Co., Ltd., Wuxi Huabang Precision Steel Tube Co., Ltd. and Wuxi Dalu Steel Pipe Co., Ltd. We also have long term business cooperation with the large steel pipe manufacturers like TPCO, BaoSteel, Hengyang, Chengdu Seamless, etc. For the standard line pipes, we regularly have inventory for fast delivery.

    The range of our products:

    Seamless Steel Pipe: OD: 1/4 inch 36 inch, Wall Thickness:1.25mm to 50mm;

    ERW Steel Pipe: OD: 1 inch to 24 inch, Wall Thickness: Max 26.5mm;

    DSAW Steel Pipe: OD: 16 inch to 64 inch , Wall Thickness: Max 65mm;

    SSAW Steel Pipe: OD: 219mm to 3120mm, Wall Thickness: 3mm to 25mm.

    OCTG:

    Tubing: 2 3/8 to 4 1/2, J55, N80, L80, P110, EUE NUE;

    Casing: 5 1/2 to 20, J55/K55, N80, L80, P110 BTC, LTC, STC;

    Drill Pipe: OD 2 3/8 to 6 5/8, E75, X95, G105, S135.

    We also deal with mechanical tubes, structural tubes, cylinder tubes, stainless pipes and fittings and flanges.

    Our steel pipe products are complied with specifications of API, ASTM/ASME, EN, BS, DIN and GOST, etc. All of our manufacturing facilities are ISO9001 certified. Furthermore, we have been working well with the third party inspection agencies like SGS, TUV, BUREAU VERITAS, LLOYDS, DNV, TUBOSCOPE, MOODY, etc for quality guarantee.

    Wuxi Petrotube Industries Co., Ltd. would like to work with the customers all over the world to develop business for mutual benefits with trust and honor, we not only supply pipes, but also quality and service.

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